ICD-10 Code C14.2 – Malignant neoplasm of Waldeyer’s ring (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C14.2 – Malignant neoplasm of Waldeyer’s ring
What it is
C14.2 identifies a malignant neoplasm arising in Waldeyer’s ring, the lymphoid tissue around the throat. Use it when documentation specifies cancer in this anatomic region rather than a more general head and neck site.
Clinical signs
Clinical features vary; refer to documentation. Patients may present with throat symptoms, a neck mass, dysphagia, or other findings consistent with an oropharyngeal malignancy.
When to use this code
Use C14.2 when the provider documents a primary malignant tumor of Waldeyer’s ring or a cancer specifically involving this lymphoid ring. It is appropriate when the site is clearly stated in the record. If the note only says “throat cancer” or another nonspecific location, check documentation before coding.
Do not use for
Do not use this code for benign masses, inflammatory tonsillar disease, or cancers documented in another head and neck site. If the exact anatomic origin is unclear, do not guess.
Coding tip
Verify the precise site wording in pathology, operative, or oncology notes before assigning C14.2.